Validate hash_sha256 checksum on .crx update.

chrome/common/extensions/update_manifest_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/memory/scoped_vector.h"
 #include "extensions/common/update_manifest.h"
 #include "libxml/globals.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 static const char kValidXml[] =
 "<?xml version='1.0' encoding='UTF-8'?>"
 "<gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>"
 " <app appid='12345'>"
 "  <updatecheck codebase='http://example.com/extension_1.2.3.4.crx'"
 "               version='1.2.3.4' prodversionmin='2.0.143.0' />"
 " </app>"
 "</gupdate>";
 
 static const char valid_xml_with_hash[] =
-"<?xml version='1.0' encoding='UTF-8'?>"
-"<gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>"
-" <app appid='12345'>"
-"  <updatecheck codebase='http://example.com/extension_1.2.3.4.crx'"
-"               version='1.2.3.4' prodversionmin='2.0.143.0' "
-"               hash='1234'/>"
-" </app>"
-"</gupdate>";
+    "<?xml version='1.0' encoding='UTF-8'?>"
+    "<gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>"
+    " <app appid='12345'>"
+    "  <updatecheck codebase='http://example.com/extension_1.2.3.4.crx'"
+    "               version='1.2.3.4' prodversionmin='2.0.143.0' "
+    "               hash_sha256='1234'/>"
+    " </app>"
+    "</gupdate>";
 
 static const char kMissingAppId[] =
 "<?xml version='1.0'?>"
 "<gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>"
 " <app>"
 "  <updatecheck codebase='http://example.com/extension_1.2.3.4.crx'"
 "               version='1.2.3.4' />"
 " </app>"
 "</gupdate>";
 
@@ skipping 140 matching lines @@
   EXPECT_EQ(firstResult->extension_id, "12345");
   EXPECT_EQ(firstResult->version, "");
 
   // Parse xml with one error and one success <app> tag.
   EXPECT_TRUE(parser.Parse(kTwoAppsOneError));
   EXPECT_FALSE(parser.errors().empty());
   EXPECT_EQ(1u, parser.results().list.size());
   firstResult = &parser.results().list.at(0);
   EXPECT_EQ(firstResult->extension_id, "bbbbbbbb");
 }